Author: Chris Grabenstein
Series: Mr. Lemoncello's Library
When Kyle Keeley learns that the world's world’s most famous game maker, Luigi Lemoncello, has designed the town’s new library and is having an invitation-only lock-in on opening night, Kyle is determined to be there! But the tricky part isn’t getting into the library—it’s getting out. Because when morning comes, the doors stay locked. Kyle and the other kids must catch every clue and solve every puzzle to find the hidden escape route!